I am calling this a success story (hope I don't jinx myself) because it is on the winter wagon. I put it on last summer. So far I've pushed through a lot of snow piles on the road. I've parked against a snow pile and left it deformed for 10 hours. I've bottomed it out in potholes and dips. Today at the gas station I ran over a large ice chunk from the truck in front of me, pushed it square against a raised manhole, and it had to have bent up the airdam pretty good as the chunk went under the car and hit the engine cradle. To my surprise when I checked 50 miles later it was still totally fine. It's holding up to winter a lot better than I ever imagined it would.
Definitely recommended as an airdam material.
I'm really thinking of replacing the airdam on the Celebrity with this next summer. The aluminum one has gotten really beat up from bottoming out on potholes and dips and I can only bend it back into shape so many times.